コード例 #1
0
 /**
  * Renders a single collapsible item group
  * @param string $header a label of the item group [[items]]
  * @param array $item a single item from [[items]]
  * @param integer $index the item index as each item group content must have an id
  * @return string the rendering result
  * @throws InvalidConfigException
  */
 public function renderItem($header, $item, $index)
 {
     if (array_key_exists('content', $item)) {
         $id = $this->options['id'] . '-collapse' . $index;
         $options = ArrayHelper::getValue($item, 'contentOptions', []);
         $options['id'] = $id;
         Html::addCssClass($options, ['widget' => 'panel-collapse', 'collapse' => 'collapse']);
         $encodeLabel = isset($item['encode']) ? $item['encode'] : $this->encodeLabels;
         if ($encodeLabel) {
             $header = Html::encode($header);
         }
         $headerToggle = Html::a($header, '#' . $id, ['class' => 'collapse-toggle', 'data-toggle' => 'collapse', 'data-parent' => '#' . $this->options['id']]) . "\n";
         $header = Html::tag('h4', $headerToggle, ['class' => 'panel-title']);
         if (is_string($item['content']) || is_object($item['content'])) {
             $content = Html::tag('div', $item['content'], ['class' => 'panel-body']) . "\n";
         } elseif (is_array($item['content'])) {
             $content = Html::ul($item['content'], ['class' => 'list-group', 'itemOptions' => ['class' => 'list-group-item'], 'encode' => false]) . "\n";
             if (isset($item['footer'])) {
                 $content .= Html::tag('div', $item['footer'], ['class' => 'panel-footer']) . "\n";
             }
         } else {
             throw new InvalidConfigException('The "content" option should be a string, array or object.');
         }
     } else {
         throw new InvalidConfigException('The "content" option is required.');
     }
     $group = [];
     $group[] = Html::tag('div', $header, ['class' => 'panel-heading']);
     $group[] = Html::tag('div', $content, $options);
     return implode("\n", $group);
 }